Instead of writing a zero page, madvise it away
commit30868442a5590991266a34af3f0b728a4a0ee6d0
authorAnthony Liguori <aliguori@us.ibm.com>
Wed, 17 Jun 2009 21:46:12 +0000 (17 16:46 -0500)
committerAnthony Liguori <aliguori@us.ibm.com>
Mon, 22 Jun 2009 15:15:28 +0000 (22 10:15 -0500)
tree24f2dc2fa45cd72922f95b4250cbb401027825da
parentb09ea7d55cfab5a75912bb56ed1fcd757604a759
Instead of writing a zero page, madvise it away

Otherwise, after migration, we end up with a much larger RSS size then we
ought to have.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
vl.c